668120960
668,120,960 is an even composite number composed of five prime numbers multiplied together.
668120960 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 668120960:
27 × 5 × 13 × 131 × 613
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 131 × 613)See below for interesting mathematical facts about the number 668120960 from the Numbermatics database.
Names of 668120960
- Cardinal: 668120960 can be written as Six hundred sixty-eight million, one hundred twenty thousand, nine hundred sixty.
Scientific notation
- Scientific notation: 6.6812096 × 108
Factors of 668120960
Divisors of 668120960
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 131 160 208 260 262 320 416 520 524 613 640 655 832 1040 1048 1226 1310 1664 1703 2080 2096 2452 2620 3065 3406 4160 4192 4904 5240 6130 6812 7969 8320 8384 8515 9808 10480 12260 13624 15938 16768 17030 19616 20960 24520 27248 31876 34060 39232 39845 41920 49040 54496 63752 68120 78464 79690 80303 83840 98080 108992 127504 136240 159380 160606 196160 217984 255008 272480 318760 321212 392320 401515 510016 544960 637520 642424 803030 1020032 1043939 1089920 1275040 1284848 1606060 2087878 2550080 2569696 3212120 4175756 5100160 5139392 5219695 6424240 8351512 10278784 10439390 12848480 16703024 20878780 25696960 33406048 41757560 51393920 66812096 83515120 133624192 167030240 334060480 668120960
- Sum of all divisors σ(n): 1736048160
- Sum of proper divisors (its aliquot sum) s(n): 1067927200
- 668120960 is an abundant number, because the sum of its proper divisors (1067927200) is greater than itself. Its abundance is 399806240
Bases of 668120960
- Binary: 1001111101001010110111100000002
- Hexadecimal: 0x27D2B780
- Base-36: B1S5FK
Squares and roots of 668120960
- 668120960 squared (6681209602) is 446385617191321600
- 668120960 cubed (6681209603) is 298239587088058291060736000
-
The
square root of 668120960 is 25848.0359021729 -
The
cube root of 668120960 is 874.2152245191
Scales and comparisons
How big is 668120960?- 668,120,960 seconds is equal to 21 years, 12 weeks, 4 days, 21 hours, 9 minutes, 20 seconds.
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To count from 1 to 668,120,960 would take you about thirty-one years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 668120960 cubic inches would be around 72.9 feet tall.
Recreational maths with 668120960
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